<docs>
---
order: 3
title:
  zh-CN: 照片墙
  en-US: Pictures Wall
---

## zh-CN

用户可以上传图片并在列表中显示缩略图。当上传照片数到达限制后，上传按钮消失。

## en-US

After users upload picture, the thumbnail will be shown in list. The upload button will disappear when count meets limitation.
</docs>

<template>
  <div class="clearfix">
    <a-upload
      v-model:file-list="fileList"
      action="https://www.mocky.io/v2/5cc8019d300000980a055e76"
      list-type="picture-card"
      @preview="handlePreview"
    >
      <div v-if="fileList.length < 8">
        <plus-outlined />
        <div style="margin-top: 8px">Upload</div>
      </div>
    </a-upload>
    <a-modal :open="previewVisible" :title="previewTitle" :footer="null" @cancel="handleCancel">
      <img alt="example" style="width: 100%" :src="previewImage" />
    </a-modal>
  </div>
</template>
<script lang="ts" setup>
import { PlusOutlined } from '@ant-design/icons-vue';
import { ref } from 'vue';
import type { UploadProps } from 'ant-design-vue';

function getBase64(file: File) {
  return new Promise((resolve, reject) => {
    const reader = new FileReader();
    reader.readAsDataURL(file);
    reader.onload = () => resolve(reader.result);
    reader.onerror = error => reject(error);
  });
}

const previewVisible = ref(false);
const previewImage = ref('');
const previewTitle = ref('');

const fileList = ref<UploadProps['fileList']>([
  {
    uid: '-1',
    name: 'image.png',
    status: 'done',
    url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
  },
  {
    uid: '-2',
    name: 'image.png',
    status: 'done',
    url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
  },
  {
    uid: '-3',
    name: 'image.png',
    status: 'done',
    url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
  },
  {
    uid: '-4',
    name: 'image.png',
    status: 'done',
    url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
  },
  {
    uid: '-xxx',
    percent: 50,
    name: 'image.png',
    status: 'uploading',
    url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
  },
  {
    uid: '-5',
    name: 'image.png',
    status: 'error',
  },
]);

const handleCancel = () => {
  previewVisible.value = false;
  previewTitle.value = '';
};
const handlePreview = async (file: UploadProps['fileList'][number]) => {
  if (!file.url && !file.preview) {
    file.preview = (await getBase64(file.originFileObj)) as string;
  }
  previewImage.value = file.url || file.preview;
  previewVisible.value = true;
  previewTitle.value = file.name || file.url.substring(file.url.lastIndexOf('/') + 1);
};
</script>
<style scoped>
/* you can make up upload button and sample style by using stylesheets */
.ant-upload-select-picture-card i {
  font-size: 32px;
  color: #999;
}

.ant-upload-select-picture-card .ant-upload-text {
  margin-top: 8px;
  color: #666;
}
</style>
